291216105

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{47237}}^1$

素因数の和:47385

約数の個数: 24

約数和(自身を含む): 508469832

約数和(自身を除く): 217253727

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 47237, 141711, 236185, 425133, 708555, 2125665, 6471469, 19414407, 32357345, 58243221, 97072035, 291216105]

約数ペア:

[(1, 291216105), (3, 97072035), (5, 58243221), (9, 32357345), (15, 19414407), (45, 6471469), (137, 2125665), (411, 708555), (685, 425133), (1233, 236185), (2055, 141711), (6165, 47237)]